<template>
  <div class="mui-numbox" data-numbox-min="1" style="height:25px;">
    <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
    <input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref='numbox' readonly>
    <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
  </div>
<!-- 子组件什么时候把数据传递给父组件 -->
</template>

<script>

import mui from '../../lib/mui/js/mui.min.js';
export default {
    mounted(){
        //初始化数字选择框组件
        mui(".mui-numbox").numbox();
    },
    methods:{
      countChanged(){
        //每当数量值改变，则立即把最新的数据同步到 购物车的store中，覆盖之前的数量值
        this.$store.commit('updateGoodsInfo',{id:this.goodsid,count:this.$refs.numbox.value})
      }
    },
    props:["initcount","goodsid"]
};
</script>

<style lang='scss' scoped>
</style>
